Treatment and diagnosis of macrophage mediated disease

A - Human Necessities – 61 – K

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A61K 49/00 (2006.01) A61K 9/127 (2006.01) A61K 39/00 (2006.01) A61K 39/385 (2006.01) A61K 39/395 (2006.01) A61K 47/48 (2006.01) A61K 51/10 (2006.01)

Patent

CA 2445826

The invention relates to a method of treating or monitoring/diagnosing a disease state mediated by activated macrophages. The method comprises the step of administering to a patient suffering from a macrophage mediated disease state an effective amount of a composition comprising a conjugate or complex of the general formula: Ab-X, where the group Ab comprises a ligand capable of binding to activated macrophages, and when the conjugate is being used for treatment of the disease state, the group X comprises an immunogen, a cytotoxin, or a compound capable of altering macrophage function, and when the conjugate is being used for monitoring/diagnosing the disease state, X comprises an imaging agent. The method is useful for treating a patient suffering from a disease selected from the group consisting of rheumatoid arthritis, ulcerative colitis, Crohn's disease, inflammation, infections, osteomyelitis, atherosclerosis, organ transplant rejection, pulmonary fibrosis, sarcoidosis, and systemic sclerosis.

La présente invention concerne un procédé pour traiter et/ou contrôler/diagnostiquer un état pathologique associé à des macrophages activés. Ce procédé consiste à administrer à un patient présentant un état pathologique associé à des macrophages une quantité efficace d'une composition qui comprend un conjugué ou un complexe de formule générale A¿b?-X, dans laquelle A¿b? comprend un ligand qui peut se lier à des macrophages activés et le groupe X comprend, lorsque le conjugué est utilisé pour traiter ledit état pathologique, un agent immunogène, une cytotoxine ou un composé capable de modifier la fonction des macrophages et, lorsque le conjugué est utilisé pour contrôler/diagnostiquer ledit état pathologique, X comprend un agent d'imagerie. Le procédé est utilisé pour traiter un patient qui souffre d'une maladie choisie dans le groupe formé par la polyarthrite rhumatoïde, la colite ulcéreuse, la maladie de Crohn, les inflammations, les infections, l'ostéomyélite, l'athérosclérose, le rejet d'une greffe d'organe, la fibrose pulmonaire, la sarcoïdose et la sclérodermie généralisée.

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